Thermodynamics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Thermodynamics, a fundamental topic in the field of Mechanical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Thermodynamics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Thermodynamics mcq questions that explore various aspects of Thermodynamics problems. Each MCQ is crafted to challenge your understanding of Thermodynamics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Thermodynamics MCQs are your pathway to success in mastering this essential Mechanical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Thermodynamics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Thermodynamics knowledge to the test? Let's get started with our carefully curated MCQs!

Thermodynamics MCQs | Page 6 of 31

Q51.
The area under the temperature-entropy curve (T - s curve) of any thermodynamic process represents
Discuss
Answer: (c).either (a) or (b)
Q52.
The free expansion process is a constant enthalpy process.
Discuss
Answer: (a).Correct
Discuss
Answer: (b).the amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume
Q54.
The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)
Discuss
Answer: (a).Q1 - 2 = dU + W1 - 2
Q55.
The compression ratio for Diesel engines is
Discuss
Answer: (c).15 to 20
Discuss
Answer: (d).all of these
Discuss
Answer: (d).all of the above
Q58.
The heating and expanding of a gas is called thermodynamic system.
Discuss
Answer: (b).No
Q59.
Liquid fuels have lower efficiency than solid fuels.
Discuss
Answer: (b).False
Q60.
Liquid fuels consist of hydrocarbons.
Discuss
Answer: (a).True
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